html,body {
    margin: 0;
    padding: 0;
}
body {
    background-color: #f2f2f2;
    font-family: "Microsoft YaHei";
}
#container {
    background-color: #fff;
    width: 800px;
    margin: 0 auto;
}
.title {
    color: #fff;
    background-color: #16a085;
    text-align: center;
    padding: 16px;
    font-size: 19px;
}
.content {
    padding: 20px 45px;
}
.introduce {
    line-height: 30px;
    color: #333333;
}
.questionnaire-item {
    background-color: #f7f7f7;
    padding: 20px;
    margin-top: 20px;
}
.questionnaire-title {
    color: #333333;
}
.questionnaire-answer-box {
    color: #646464;
    margin-top: 5px;
}
.questionnaire-answer-box label {
    display: block;
    height: 30px;
    line-height: 30px;
}
.questionnaire-answer-box textarea {
    background-color: #fff;
    border: none;
    width: 80%;
    height: 50px;
    resize: none;
}